If (1 + 2 + 3 + 4 + 5 +………..upto n terms...

If (1 + 2 + 3 + 4 + 5 +………..upto n terms) / (`1xx2 + 2xx3 + 3xx4 + 4xx5 +` …. upto n terms) = `3/22` Find the value of n

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The correct Answer is:

9

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